/*
import java.util.Arrays;
import java.util.Random;
import java.util.Scanner;

public class Test2 {

//    需求：随机排名工号

    public static void main(String[] args) {
        int[] arr = new int[5];
        Scanner sc = new Scanner(System.in);
        for (int i = 0; i < arr.length; i++) {

            System.out.println("请输入第" + (i + 1) + "个员工的工号");
            arr[i] = sc.nextInt();
        }

        Random r = new Random();
        for (int i = 0; i < arr.length; i++) {
            int p = r.nextInt(arr.length);
            int temp = arr[i];
            arr[i] = arr[p];
            arr[p] = temp;
        }

        System.out.println(Arrays.toString(arr));

    }
}
*/
